diff options
author | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 12:35:57 (GMT) |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 12:35:57 (GMT) |
commit | 2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch) | |
tree | 726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /drivers/media/video/gspca/spca561.c | |
parent | e12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff) | |
parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) | |
download | linux-fsl-qoriq-2ca1a615835d9f4990f42102ab1f2ef434e7e89c.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/x86/kernel/io_apic.c
Diffstat (limited to 'drivers/media/video/gspca/spca561.c')
-rw-r--r-- | drivers/media/video/gspca/spca561.c | 522 |
1 files changed, 241 insertions, 281 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index c3de4e4..3c92880 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -32,22 +32,22 @@ MODULE_LICENSE("GPL"); struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - __u16 contrast; /* rev72a only */ -#define CONTRAST_MIN 0x0000 -#define CONTRAST_DEF 0x2000 -#define CONTRAST_MAX 0x3fff - __u16 exposure; /* rev12a only */ #define EXPOSURE_MIN 1 #define EXPOSURE_DEF 200 #define EXPOSURE_MAX (4095 - 900) /* see set_exposure */ + __u8 contrast; /* rev72a only */ +#define CONTRAST_MIN 0x00 +#define CONTRAST_DEF 0x20 +#define CONTRAST_MAX 0x3f + __u8 brightness; /* rev72a only */ #define BRIGHTNESS_MIN 0 -#define BRIGHTNESS_DEF 32 -#define BRIGHTNESS_MAX 63 +#define BRIGHTNESS_DEF 0x20 +#define BRIGHTNESS_MAX 0x3f - __u8 white; /* rev12a only */ + __u8 white; #define WHITE_MIN 1 #define WHITE_DEF 0x40 #define WHITE_MAX 0x7f @@ -73,7 +73,7 @@ struct sd { #define AG_CNT_START 13 }; -static struct v4l2_pix_format sif_012a_mode[] = { +static const struct v4l2_pix_format sif_012a_mode[] = { {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE, .bytesperline = 160, .sizeimage = 160 * 120, @@ -96,7 +96,7 @@ static struct v4l2_pix_format sif_012a_mode[] = { .priv = 0}, }; -static struct v4l2_pix_format sif_072a_mode[] = { +static const struct v4l2_pix_format sif_072a_mode[] = { {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE, .bytesperline = 160, .sizeimage = 160 * 120, @@ -146,98 +146,7 @@ static struct v4l2_pix_format sif_072a_mode[] = { #define SPCA561_SNAPBIT 0x20 #define SPCA561_SNAPCTRL 0x40 -static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value) -{ - int ret; - - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - 0, /* request */ - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, index, NULL, 0, 500); - PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value); - if (ret < 0) - PDEBUG(D_ERR, "reg write: error %d", ret); -} - -static void write_vector(struct gspca_dev *gspca_dev, - const __u16 data[][2]) -{ - struct usb_device *dev = gspca_dev->dev; - int i; - - i = 0; - while (data[i][1] != 0) { - reg_w_val(dev, data[i][1], data[i][0]); - i++; - } -} - -/* read 'len' bytes to gspca_dev->usb_buf */ -static void reg_r(struct gspca_dev *gspca_dev, - __u16 index, __u16 length) -{ - usb_control_msg(gspca_dev->dev, - usb_rcvctrlpipe(gspca_dev->dev, 0), - 0, /* request */ - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0, /* value */ - index, gspca_dev->usb_buf, length, 500); -} - -static void reg_w_buf(struct gspca_dev *gspca_dev, - __u16 index, const __u8 *buffer, __u16 len) -{ - memcpy(gspca_dev->usb_buf, buffer, len); - usb_control_msg(gspca_dev->dev, - usb_sndctrlpipe(gspca_dev->dev, 0), - 0, /* request */ - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0, /* value */ - index, gspca_dev->usb_buf, len, 500); -} - -static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg) -{ - int retry = 60; - __u8 DataLow; - __u8 DataHight; - - DataLow = valeur; - DataHight = valeur >> 8; - reg_w_val(gspca_dev->dev, 0x8801, reg); - reg_w_val(gspca_dev->dev, 0x8805, DataLow); - reg_w_val(gspca_dev->dev, 0x8800, DataHight); - while (retry--) { - reg_r(gspca_dev, 0x8803, 1); - if (!gspca_dev->usb_buf[0]) - break; - } -} - -static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode) -{ - int retry = 60; - __u8 value; - __u8 vallsb; - - reg_w_val(gspca_dev->dev, 0x8804, 0x92); - reg_w_val(gspca_dev->dev, 0x8801, reg); - reg_w_val(gspca_dev->dev, 0x8802, (mode | 0x01)); - do { - reg_r(gspca_dev, 0x8803, 1); - if (!gspca_dev->usb_buf[0]) - break; - } while (--retry); - if (retry == 0) - return -1; - reg_r(gspca_dev, 0x8800, 1); - value = gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8805, 1); - vallsb = gspca_dev->usb_buf[0]; - return ((int) value << 8) | vallsb; -} - -static const __u16 spca561_init_data[][2] = { +static const __u16 rev72a_init_data1[][2] = { {0x0000, 0x8114}, /* Software GPIO output data */ {0x0001, 0x8114}, /* Software GPIO output data */ {0x0000, 0x8112}, /* Some kind of reset */ @@ -247,44 +156,26 @@ static const __u16 spca561_init_data[][2] = { {0x0001, 0x8118}, /* Conf sensor */ {0x0092, 0x8804}, /* I know nothing about these */ {0x0010, 0x8802}, /* 0x88xx registers, so I won't */ - /***************/ {0x000d, 0x8805}, /* sensor default setting */ - {0x0001, 0x8801}, /* 1 <- 0x0d */ - {0x0000, 0x8800}, - {0x0018, 0x8805}, - {0x0002, 0x8801}, /* 2 <- 0x18 */ - {0x0000, 0x8800}, - {0x0065, 0x8805}, - {0x0004, 0x8801}, /* 4 <- 0x01 0x65 */ - {0x0001, 0x8800}, - {0x0021, 0x8805}, - {0x0005, 0x8801}, /* 5 <- 0x21 */ - {0x0000, 0x8800}, - {0x00aa, 0x8805}, - {0x0007, 0x8801}, /* 7 <- 0xaa */ - {0x0000, 0x8800}, - {0x0004, 0x8805}, - {0x0020, 0x8801}, /* 0x20 <- 0x15 0x04 */ - {0x0015, 0x8800}, - {0x0002, 0x8805}, - {0x0039, 0x8801}, /* 0x39 <- 0x02 */ - {0x0000, 0x8800}, - {0x0010, 0x8805}, - {0x0035, 0x8801}, /* 0x35 <- 0x10 */ - {0x0000, 0x8800}, - {0x0049, 0x8805}, - {0x0009, 0x8801}, /* 0x09 <- 0x10 0x49 */ - {0x0010, 0x8800}, - {0x000b, 0x8805}, - {0x0028, 0x8801}, /* 0x28 <- 0x0b */ - {0x0000, 0x8800}, - {0x000f, 0x8805}, - {0x003b, 0x8801}, /* 0x3b <- 0x0f */ - {0x0000, 0x8800}, - {0x0000, 0x8805}, - {0x003c, 0x8801}, /* 0x3c <- 0x00 */ - {0x0000, 0x8800}, - /***************/ + {} +}; +static const __u16 rev72a_init_sensor1[][2] = { + /* ms-win values */ + {0x0001, 0x0018}, /* 0x01 <- 0x0d */ + {0x0002, 0x0065}, /* 0x02 <- 0x18 */ + {0x0004, 0x0121}, /* 0x04 <- 0x0165 */ + {0x0005, 0x00aa}, /* 0x05 <- 0x21 */ + {0x0007, 0x0004}, /* 0x07 <- 0xaa */ + {0x0020, 0x1502}, /* 0x20 <- 0x1504 */ + {0x0039, 0x0010}, /* 0x39 <- 0x02 */ + {0x0035, 0x0049}, /* 0x35 <- 0x10 */ + {0x0009, 0x100b}, /* 0x09 <- 0x1049 */ + {0x0028, 0x000f}, /* 0x28 <- 0x0b */ + {0x003b, 0x003c}, /* 0x3b <- 0x0f */ + {0x003c, 0x0000}, /* 0x3c <- 0x00 */ + {} +}; +static const __u16 rev72a_init_data2[][2] = { {0x0018, 0x8601}, /* Pixel/line selection for color separation */ {0x0000, 0x8602}, /* Optical black level for user setting */ {0x0060, 0x8604}, /* Optical black horizontal offset */ @@ -309,10 +200,11 @@ static const __u16 spca561_init_data[][2] = { {0x0004, 0x8612}, /* Gr offset for white balance */ {0x0007, 0x8613}, /* B offset for white balance */ {0x0000, 0x8614}, /* Gb offset for white balance */ - {0x008c, 0x8651}, /* R gain for white balance */ - {0x008c, 0x8652}, /* Gr gain for white balance */ - {0x00b5, 0x8653}, /* B gain for white balance */ - {0x008c, 0x8654}, /* Gb gain for white balance */ +/* from ms-win */ + {0x0035, 0x8651}, /* R gain for white balance */ + {0x0040, 0x8652}, /* Gr gain for white balance */ + {0x005f, 0x8653}, /* B gain for white balance */ + {0x0040, 0x8654}, /* Gb gain for white balance */ {0x0002, 0x8502}, /* Maximum average bit rate stuff */ {0x0011, 0x8802}, @@ -324,29 +216,22 @@ static const __u16 spca561_init_data[][2] = { {0x0002, 0x865b}, /* Horizontal offset for valid pixels */ {0x0003, 0x865c}, /* Vertical offset for valid lines */ - /***************//* sensor active */ - {0x0003, 0x8801}, /* 0x03 <- 0x01 0x21 //289 */ - {0x0021, 0x8805}, - {0x0001, 0x8800}, - {0x0004, 0x8801}, /* 0x04 <- 0x01 0x65 //357 */ - {0x0065, 0x8805}, - {0x0001, 0x8800}, - {0x0005, 0x8801}, /* 0x05 <- 0x2f */ - {0x002f, 0x8805}, - {0x0000, 0x8800}, - {0x0006, 0x8801}, /* 0x06 <- 0 */ - {0x0000, 0x8805}, - {0x0000, 0x8800}, - {0x000a, 0x8801}, /* 0x0a <- 2 */ - {0x0002, 0x8805}, - {0x0000, 0x8800}, - {0x0009, 0x8801}, /* 0x09 <- 0x1061 */ - {0x0061, 0x8805}, - {0x0010, 0x8800}, - {0x0035, 0x8801}, /* 0x35 <-0x14 */ - {0x0014, 0x8805}, - {0x0000, 0x8800}, + {} +}; +static const __u16 rev72a_init_sensor2[][2] = { + /* ms-win values */ + {0x0003, 0x0121}, /* 0x03 <- 0x01 0x21 //289 */ + {0x0004, 0x0165}, /* 0x04 <- 0x01 0x65 //357 */ + {0x0005, 0x002f}, /* 0x05 <- 0x2f */ + {0x0006, 0x0000}, /* 0x06 <- 0 */ + {0x000a, 0x0002}, /* 0x0a <- 2 */ + {0x0009, 0x1061}, /* 0x09 <- 0x1061 */ + {0x0035, 0x0014}, /* 0x35 <- 0x14 */ + {} +}; +static const __u16 rev72a_init_data3[][2] = { {0x0030, 0x8112}, /* ISO and drop packet enable */ +/*fixme: should stop here*/ {0x0000, 0x8112}, /* Some kind of reset ???? */ {0x0009, 0x8118}, /* Enable sensor and set standby */ {0x0000, 0x8114}, /* Software GPIO output data */ @@ -434,7 +319,6 @@ static const __u16 spca561_init_data[][2] = { {} }; - /******************** QC Express etch2 stuff ********************/ static const __u16 Pb100_1map8300[][2] = { /* reg, value */ @@ -515,22 +399,112 @@ static const __u16 spca561_161rev12A_data2[][2] = { {} }; -static void sensor_mapwrite(struct gspca_dev *gspca_dev, - const __u16 sensormap[][2]) +static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value) +{ + int ret; + + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + 0, /* request */ + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, NULL, 0, 500); + PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value); + if (ret < 0) + PDEBUG(D_ERR, "reg write: error %d", ret); +} + +static void write_vector(struct gspca_dev *gspca_dev, + const __u16 data[][2]) { - int i = 0; - __u8 usbval[2]; + struct usb_device *dev = gspca_dev->dev; + int i; - while (sensormap[i][0]) { - usbval[0] = sensormap[i][1]; - usbval[1] = sensormap[i][1] >> 8; - reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2); + i = 0; + while (data[i][1] != 0) { + reg_w_val(dev, data[i][1], data[i][0]); i++; } } + +/* read 'len' bytes to gspca_dev->usb_buf */ +static void reg_r(struct gspca_dev *gspca_dev, + __u16 index, __u16 length) +{ + usb_control_msg(gspca_dev->dev, + usb_rcvctrlpipe(gspca_dev->dev, 0), + 0, /* request */ + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, gspca_dev->usb_buf, length, 500); +} + +/* write 'len' bytes from gspca_dev->usb_buf */ +static void reg_w_buf(struct gspca_dev *gspca_dev, + __u16 index, __u16 len) +{ + usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 0, /* request */ + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, gspca_dev->usb_buf, len, 500); +} + +static void i2c_write(struct gspca_dev *gspca_dev, __u16 value, __u16 reg) +{ + int retry = 60; + + reg_w_val(gspca_dev->dev, 0x8801, reg); + reg_w_val(gspca_dev->dev, 0x8805, value); + reg_w_val(gspca_dev->dev, 0x8800, value >> 8); + do { + reg_r(gspca_dev, 0x8803, 1); + if (!gspca_dev->usb_buf[0]) + return; + } while (--retry); +} + +static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode) +{ + int retry = 60; + __u8 value; + + reg_w_val(gspca_dev->dev, 0x8804, 0x92); + reg_w_val(gspca_dev->dev, 0x8801, reg); + reg_w_val(gspca_dev->dev, 0x8802, mode | 0x01); + do { + reg_r(gspca_dev, 0x8803, 1); + if (!gspca_dev->usb_buf[0]) { + reg_r(gspca_dev, 0x8800, 1); + value = gspca_dev->usb_buf[0]; + reg_r(gspca_dev, 0x8805, 1); + return ((int) value << 8) | gspca_dev->usb_buf[0]; + } + } while (--retry); + return -1; +} + +static void sensor_mapwrite(struct gspca_dev *gspca_dev, + const __u16 (*sensormap)[2]) +{ + while ((*sensormap)[0]) { + gspca_dev->usb_buf[0] = (*sensormap)[1]; + gspca_dev->usb_buf[1] = (*sensormap)[1] >> 8; + reg_w_buf(gspca_dev, (*sensormap)[0], 2); + sensormap++; + } +} + +static void write_sensor_72a(struct gspca_dev *gspca_dev, + const __u16 (*sensor)[2]) +{ + while ((*sensor)[0]) { + i2c_write(gspca_dev, (*sensor)[1], (*sensor)[0]); + sensor++; + } +} + static void init_161rev12A(struct gspca_dev *gspca_dev) { -/* sensor_reset(gspca_dev); (not in win) */ write_vector(gspca_dev, spca561_161rev12A_data1); sensor_mapwrite(gspca_dev, Pb100_1map8300); /*fixme: should be in sd_start*/ @@ -598,49 +572,68 @@ static int sd_init_12a(struct gspca_dev *gspca_dev) static int sd_init_72a(struct gspca_dev *gspca_dev) { PDEBUG(D_STREAM, "Chip revision: 072a"); - write_vector(gspca_dev, spca561_init_data); + write_vector(gspca_dev, rev72a_init_data1); + write_sensor_72a(gspca_dev, rev72a_init_sensor1); + write_vector(gspca_dev, rev72a_init_data2); + write_sensor_72a(gspca_dev, rev72a_init_sensor2); + write_vector(gspca_dev, rev72a_init_data3); return 0; } -static void setcontrast(struct gspca_dev *gspca_dev) +/* rev 72a only */ +static void setbrightness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; - __u8 lowb; + __u8 value; - switch (sd->chip_revision) { - case Rev072A: - lowb = sd->contrast >> 8; - reg_w_val(dev, 0x8651, lowb); - reg_w_val(dev, 0x8652, lowb); - reg_w_val(dev, 0x8653, lowb); - reg_w_val(dev, 0x8654, lowb); - break; - default: { -/* case Rev012A: { */ - static const __u8 Reg8391[] = - { 0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00 }; + value = sd->brightness; - reg_w_buf(gspca_dev, 0x8391, Reg8391, 8); - reg_w_buf(gspca_dev, 0x8390, Reg8391, 8); - break; - } - } + /* offsets for white balance */ + reg_w_val(dev, 0x8611, value); /* R */ + reg_w_val(dev, 0x8612, value); /* Gr */ + reg_w_val(dev, 0x8613, value); /* B */ + reg_w_val(dev, 0x8614, value); /* Gb */ } -/* rev12a only */ static void setwhite(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u16 white; - __u8 reg8614, reg8616; + __u8 blue, red; + __u16 reg; - white = sd->white; /* try to emulate MS-win as possible */ - reg8616 = 0x90 - white * 5 / 8; - reg_w_val(gspca_dev->dev, 0x8616, reg8616); - reg8614 = 0x20 + white * 3 / 8; - reg_w_val(gspca_dev->dev, 0x8614, reg8614); + white = sd->white; + red = 0x20 + white * 3 / 8; + blue = 0x90 - white * 5 / 8; + if (sd->chip_revision == Rev012A) { + reg = 0x8614; + } else { + reg = 0x8651; + red += sd->contrast - 0x20; + blue += sd->contrast - 0x20; + } + reg_w_val(gspca_dev->dev, reg, red); + reg_w_val(gspca_dev->dev, reg + 2, blue); +} + +static void setcontrast(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct usb_device *dev = gspca_dev->dev; + __u8 value; + + if (sd->chip_revision != Rev072A) + return; + value = sd->contrast + 0x20; + + /* gains for white balance */ + setwhite(gspca_dev); +/* reg_w_val(dev, 0x8651, value); * R - done by setwhite */ + reg_w_val(dev, 0x8652, value); /* Gr */ +/* reg_w_val(dev, 0x8653, value); * B - done by setwhite */ + reg_w_val(dev, 0x8654, value); /* Gb */ } /* rev 12a only */ @@ -649,7 +642,6 @@ static void setexposure(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int expo; int clock_divider; - __u8 data[2]; /* Register 0x8309 controls exposure for the spca561, the basic exposure setting goes from 1-2047, where 1 is completely @@ -673,20 +665,19 @@ static void setexposure(struct gspca_dev *gspca_dev) clock_divider = 3; } expo |= clock_divider << 11; - data[0] = expo; - data[1] = expo >> 8; - reg_w_buf(gspca_dev, 0x8309, data, 2); + gspca_dev->usb_buf[0] = expo; + gspca_dev->usb_buf[1] = expo >> 8; + reg_w_buf(gspca_dev, 0x8309, 2); } /* rev 12a only */ static void setgain(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - __u8 data[2]; - data[0] = sd->gain; - data[1] = 0; - reg_w_buf(gspca_dev, 0x8335, data, 2); + gspca_dev->usb_buf[0] = sd->gain; + gspca_dev->usb_buf[1] = 0; + reg_w_buf(gspca_dev, 0x8335, 2); } static void setautogain(struct gspca_dev *gspca_dev) @@ -702,9 +693,9 @@ static void setautogain(struct gspca_dev *gspca_dev) static int sd_start_12a(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; - int Clck = 0x8a; /* lower 0x8X values lead to fps > 30 */ - __u8 Reg8307[] = { 0xaa, 0x00 }; int mode; + static const __u8 Reg8391[8] = + {0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00}; mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv; if (mode <= 1) { @@ -716,14 +707,21 @@ static int sd_start_12a(struct gspca_dev *gspca_dev) * is sufficient to push raw frames at ~20fps */ reg_w_val(dev, 0x8500, mode); } /* -- qq@kuku.eu.org */ - reg_w_buf(gspca_dev, 0x8307, Reg8307, 2); - reg_w_val(gspca_dev->dev, 0x8700, Clck); + + gspca_dev->usb_buf[0] = 0xaa; + gspca_dev->usb_buf[1] = 0x00; + reg_w_buf(gspca_dev, 0x8307, 2); + /* clock - lower 0x8X values lead to fps > 30 */ + reg_w_val(gspca_dev->dev, 0x8700, 0x8a); /* 0x8f 0x85 0x27 clock */ reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20); reg_w_val(gspca_dev->dev, 0x850b, 0x03); - setcontrast(gspca_dev); + memcpy(gspca_dev->usb_buf, Reg8391, 8); + reg_w_buf(gspca_dev, 0x8391, 8); + reg_w_buf(gspca_dev, 0x8390, 8); setwhite(gspca_dev); setautogain(gspca_dev); +/* setgain(gspca_dev); */ setexposure(gspca_dev); return 0; } @@ -750,6 +748,9 @@ static int sd_start_72a(struct gspca_dev *gspca_dev) reg_w_val(dev, 0x8500, mode); /* mode */ reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */ reg_w_val(dev, 0x8112, 0x10 | 0x20); + setcontrast(gspca_dev); +/* setbrightness(gspca_dev); * fixme: bad values */ + setwhite(gspca_dev); setautogain(gspca_dev); return 0; } @@ -791,7 +792,6 @@ static void do_autogain(struct gspca_dev *gspca_dev) __u8 luma_mean = 110; __u8 luma_delta = 20; __u8 spring = 4; - __u8 reg8339[2]; if (sd->ag_cnt < 0) return; @@ -834,13 +834,13 @@ static void do_autogain(struct gspca_dev *gspca_dev) if (gainG > 0x3f) gainG = 0x3f; - else if (gainG < 4) + else if (gainG < 3) gainG = 3; i2c_write(gspca_dev, gainG, 0x35); - if (expotimes >= 0x0256) + if (expotimes > 0x0256) expotimes = 0x0256; - else if (expotimes < 4) + else if (expotimes < 3) expotimes = 3; i2c_write(gspca_dev, expotimes | pixelclk, 0x09); } @@ -848,13 +848,13 @@ static void do_autogain(struct gspca_dev *gspca_dev) case Rev012A: reg_r(gspca_dev, 0x8330, 2); if (gspca_dev->usb_buf[1] > 0x08) { - reg8339[0] = ++sd->expo12a; - reg8339[1] = 0; - reg_w_buf(gspca_dev, 0x8339, reg8339, 2); + gspca_dev->usb_buf[0] = ++sd->expo12a; + gspca_dev->usb_buf[1] = 0; + reg_w_buf(gspca_dev, 0x8339, 2); } else if (gspca_dev->usb_buf[1] < 0x02) { - reg8339[0] = --sd->expo12a; - reg8339[1] = 0; - reg_w_buf(gspca_dev, 0x8339, reg8339, 2); + gspca_dev->usb_buf[0] = --sd->expo12a; + gspca_dev->usb_buf[1] = 0; + reg_w_buf(gspca_dev, 0x8339, 2); } break; } @@ -867,8 +867,8 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, { struct sd *sd = (struct sd *) gspca_dev; - switch (data[0]) { - case 0: /* start of frame */ + switch (data[0]) { /* sequence number */ + case 0: /* start of frame */ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); data += SPCA561_OFFSET_DATA; @@ -890,8 +890,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, frame, data, len); } return; - case 0xff: /* drop */ -/* gspca_dev->last_packet_type = DISCARD_PACKET; */ + case 0xff: /* drop (empty mpackets) */ return; } data++; @@ -900,55 +899,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, } /* rev 72a only */ -static void setbrightness(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - __u8 value; - - value = sd->brightness; - reg_w_val(gspca_dev->dev, 0x8611, value); - reg_w_val(gspca_dev->dev, 0x8612, value); - reg_w_val(gspca_dev->dev, 0x8613, value); - reg_w_val(gspca_dev->dev, 0x8614, value); -} - -static void getbrightness(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - __u16 tot; - - tot = 0; - reg_r(gspca_dev, 0x8611, 1); - tot += gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8612, 1); - tot += gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8613, 1); - tot += gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8614, 1); - tot += gspca_dev->usb_buf[0]; - sd->brightness = tot >> 2; -} - -/* rev72a only */ -static void getcontrast(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - __u16 tot; - - tot = 0; - reg_r(gspca_dev, 0x8651, 1); - tot += gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8652, 1); - tot += gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8653, 1); - tot += gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8654, 1); - tot += gspca_dev->usb_buf[0]; - sd->contrast = tot << 6; - PDEBUG(D_CONF, "get contrast %d", sd->contrast); -} - -/* rev 72a only */ static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; @@ -963,7 +913,6 @@ static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; - getbrightness(gspca_dev); *val = sd->brightness; return 0; } @@ -983,7 +932,6 @@ static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; - getcontrast(gspca_dev); *val = sd->contrast; return 0; } @@ -1006,7 +954,6 @@ static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) return 0; } -/* rev12a only */ static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; @@ -1121,6 +1068,19 @@ static struct ctrl sd_ctrls_12a[] = { static struct ctrl sd_ctrls_72a[] = { { + { + .id = V4L2_CID_DO_WHITE_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "White Balance", + .minimum = WHITE_MIN, + .maximum = WHITE_MAX, + .step = 1, + .default_value = WHITE_DEF, + }, + .set = sd_setwhite, + .get = sd_getwhite, + }, + { { .id = V4L2_CID_BRIGHTNESS, .type = V4L2_CTRL_TYPE_INTEGER, |